Home / 88,402.62-121,995.54-48,116.34

Finding the Fourth Proportional to 88,402.62, 121,995.54 and 48,116.34

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Solution

The fourth proportional to 88,402.62, 121,995.54 and 48,116.34 is: 66,400.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,402.62 : 121,995.54 = 48,116.34 : x
  2. Step 2: Convert to fraction form
    88,402.62/121,995.54 = 48,116.34/x
  3. Step 3: Cross multiply
    88,402.62x = 121,995.54 × 48,116.34
  4. Step 4: Simplify right side
    88,402.62x = 5,869,978,881.12
  5. Step 5: Solve for x
    x = 5,869,978,881.12/88,402.62
  6. Step 6: Final answer
    x = 66,400.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.